Alright, let's work through 1297 times 7858 step by step
1297 × 7858 = 7858 × (1297)
+ 7858 × 7 giving us 55006
+ 7858 × 90 which equals 707220
+ 7858 × 200 that is equal 1571600
+ 7858 × 1000 what gives us 7858000

= 10191826
